Home / 40,863.28-61,290.33-11,285.32

Finding the Fourth Proportional to 40,863.28, 61,290.33 and 11,285.32

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Solution

The fourth proportional to 40,863.28, 61,290.33 and 11,285.32 is: 16,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,863.28 : 61,290.33 = 11,285.32 : x
  2. Step 2: Convert to fraction form
    40,863.28/61,290.33 = 11,285.32/x
  3. Step 3: Cross multiply
    40,863.28x = 61,290.33 × 11,285.32
  4. Step 4: Simplify right side
    40,863.28x = 691,680,986.96
  5. Step 5: Solve for x
    x = 691,680,986.96/40,863.28
  6. Step 6: Final answer
    x = 16,926.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.